Prosecution Insights
Last updated: October 27, 2026

Rowina J Cattungal, USPTO Patent Examiner

Listed by the USPTO as CATTUNGAL, ROWINA J

Tech Center 2400 • Art Units: 2425 2486

This examiner grants 75% of resolved cases

Analysis

CATTUNGAL, ROWINA J works in tech center 2400 and art unit 2425. The profile includes 537 resolved cases, a 74.9% allowance rate, and a 906-day median to allowance. The 12.6% interview lift suggests a positive association between interviews and allowance outcomes, but it does not indicate that interviews alone determine results.

The listed companies are B1 Institute of Image Technology Inc., Apple Inc., and NEC Corporation. The leading firms are CIC Consulting, NSIP LAW, and Kilpatrick Townsend & Stockton LLP - West Coast. Counsel can use the record to support a generally favorable assessment while maintaining close attention to claim construction, examiner positions, and the timing of written responses.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

74.9%
Allow Rate
+16.9% vs TC avg
581
Total Applications
+12.6%
Interview Lift
906
Avg Prosecution Days
Based on 537 resolved cases, 2023–2026

Rejection Statute Breakdown

4.3%
§101 Eligibility
12.0%
§102 Novelty
61.4%
§103 Obviousness
7.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19662454 IMAGE DATA ENCODING/DECODING METHOD AND APPARATUS Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19573609 IMAGE DATA ENCODING/DECODING METHOD AND APPARATUS Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19569355 IMAGE DATA ENCODING/DECODING METHOD AND APPARATUS Final Rejection B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19569342 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19569334 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19463585 IMAGE DATA ENCODING/DECODING METHOD AND APPARATUS Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19056463 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19056406 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Final Rejection B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19056444 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Non-Final OA B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19056424 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Final Rejection B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
19056432 METHOD AND APPARATUS OF ENCODING/DECODING IMAGE DATA BASED ON TREE STRUCTURE-BASED BLOCK DIVISION Final Rejection B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.
18666948 VIDEO CAMERA OPTIMIZATIONS BASED ON ENVIRONMENTAL MAPPING Final Rejection APPLE INC.
19071299 NOTIFICATION DEVICE, NOTIFICATION METHOD, AND NOTIFICATION STORAGE MEDIUM Non-Final OA NEC Corporation

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Frequently Asked Questions

What is examiner Rowina J Cattungal's allowance rate?

74.9% of resolved applications examined by Rowina J Cattungal were allowed (537 resolved cases), compared with 68.9% across Art Unit 2425 over the last five years.

Does an interview help with examiner Rowina J Cattungal?

This examiner's interview lift is +12.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Rowina J Cattungal take to allow a patent?

Applications allowed by Rowina J Cattungal took 906 days on average from filing to allowance.

Which art unit does examiner Rowina J Cattungal work in?

Rowina J Cattungal examines applications in Art Unit 2425 in Tech Center 2400 (Networking & Security).

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